Home / 18,786.66-25,925.55-10,828.83

Finding the Fourth Proportional to 18,786.66, 25,925.55 and 10,828.83

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Solution

The fourth proportional to 18,786.66, 25,925.55 and 10,828.83 is: 14,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.66 : 25,925.55 = 10,828.83 : x
  2. Step 2: Convert to fraction form
    18,786.66/25,925.55 = 10,828.83/x
  3. Step 3: Cross multiply
    18,786.66x = 25,925.55 × 10,828.83
  4. Step 4: Simplify right side
    18,786.66x = 280,743,373.61
  5. Step 5: Solve for x
    x = 280,743,373.61/18,786.66
  6. Step 6: Final answer
    x = 14,943.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.